Special color paste for PVC (Polyvinyl Chloride) and production method thereof
A production method and technology of color paste, applied in PVC special color paste and its production field, can solve the problems that colorants affect the mechanical properties of materials, affect product quality, affect product appearance, etc., achieve good stability, improve strength and surface smoothness , the effect of convenient color change
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Embodiment 1
[0026] In the embodiment of the present invention, a special color paste for PVC includes the following components: 0.5kg of calcium carbonate, 1.5kg of stabilizer, 0.2kg of colorant, 0.8kg of dispersant, 0.5kg of epoxy soybean oil, phthalate di Isononyl ester 1.5kg.
[0027] Described dispersant is ethylene bis stearamide. Colorants are pigments.
[0028] The production method of described PVC special color paste, comprises the following steps:
[0029] 1) First weigh calcium carbonate, stabilizer, colorant, dispersant, epoxidized soybean oil, and diisononyl phthalate, and put calcium carbonate, stabilizer, colorant, and dispersant into the mixing cylinder.
[0030] 2) Seal the mixing cylinder and stir for 1 min; the stirring speed is 60r / min.
[0031] 3) Add epoxidized soybean oil and diisononyl phthalate, and continue to stir until uniform. The stirring speed is first slow and then fast, and the mixed material is obtained; the stirring speed is 100r / min at the beginning,...
Embodiment 2
[0035] In the embodiment of the present invention, a special color paste for PVC includes the following components: calcium carbonate 1.5kg, stabilizer 2.5kg, colorant 0.6kg, dispersant 1.5kg, epoxy soybean oil 1.5kg, phthalate di Isononyl ester 2.5kg.
[0036] The dispersant is polyethylene wax. Colorants are pigments.
[0037] The production method of described PVC special color paste, comprises the following steps:
[0038] 1) First weigh calcium carbonate, stabilizer, colorant, dispersant, epoxidized soybean oil, and diisononyl phthalate, and put calcium carbonate, stabilizer, colorant, and dispersant into the mixing cylinder.
[0039] 2) Seal the mixing cylinder and stir for 2 minutes; the stirring speed is 100r / min.
[0040] 3) Add epoxidized soybean oil and diisononyl phthalate, and continue to stir until uniform. The stirring speed is first slow and then fast, and the mixed material is obtained; the stirring speed is 150r / min at the beginning, and the stirring speed...
Embodiment 3
[0044] In the embodiment of the present invention, a special color paste for PVC includes the following components: 0.8kg calcium carbonate, 1.8kg stabilizer, 0.3kg colorant, 1kg dispersant, 0.8kg epoxy soybean oil, diisophthalic acid Nonyl ester 1.8kg.
[0045] Described dispersant is stearic acid. Colorants are pigments.
[0046] The production method of described PVC special color paste, comprises the following steps:
[0047] 1) First weigh calcium carbonate, stabilizer, colorant, dispersant, epoxidized soybean oil, and diisononyl phthalate, and put calcium carbonate, stabilizer, colorant, and dispersant into the mixing cylinder.
[0048] 2) Seal the mixing cylinder and stir for 1 min; the stirring speed is 80r / min.
[0049] 3) Add epoxidized soybean oil and diisononyl phthalate, and continue to stir until uniform. The stirring speed is first slow and then fast, and the mixed material is obtained; the stirring speed is 120r / min at the beginning, and the stirring speed i...
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